煤矿用通信电缆MHYV1×2×7/0.28

型 号

    Model

名 称

    Descriptions

使 用 范 围

    Use scope

MHYV(PUYV)

煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆

    PE insulated PVC sheathed communication cables for coal mine

用于井下平巷、斜巷及机电硐室作普通信号传输

    Used in level; or slanted channels and power house

MHYVR(PUYVR)

煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆

    PE insulated PVC sheathed communication cables for coal mine

用于井下平巷、斜巷及机电硐室作普通信号传输

    Used in level; or slanted channels and power house

MHYVP(PUYVP)

煤矿用聚乙烯绝缘铜丝编织屏蔽聚氯乙烯护套通信电缆

    PE insulated copper wire weave shielded PVC sheathed communication cables

用于井下干扰较大的场合作信号传输

    Served in coal mine where interference is strong

MHYVRP(PUYVRP)

煤矿用聚乙烯绝缘聚氯乙烯护套铜丝编织屏蔽通信软电缆

    PE insulated copper wire weave shielded PVC sheathed communication soft
    cables

用于井下干扰较大的场合作信号传输

    Served in coal mine where interference is strong

MHYBV(PUYV31)

煤矿用聚乙烯绝缘镀锌钢丝编织铠装聚氯乙烯护套通信电缆

    PE insulated tinned steel wire weave armored PVC sheathed communication
    cables

用于井下平巷或斜巷作主信号传输能承受一定的机械冲击力

    Served in level and slanted channels where the mechanic impact is strong

MHY32
    (PUYV39、39-1)

煤矿用聚乙烯绝缘聚氯乙烯护套钢丝铠装通信电缆

    PE insulated steel wire armored PVC sheathed communication cables

用于竖井或斜井作主信号传输能承受较大的拉力

    Served as major ** line in shaft or slanted shaft in coal minescapable
    of being under considerable pull force

电缆长期允许工作温度

    Long-term service temperature of the cable conductor

70℃

电缆敷设温度 Cable laying temperature

≥0℃

+25℃时环境相对湿度 Environment relative
    humidity at 25℃

≤95%

电缆的传输频率 Transmission frequency of cable

≤30KHz

电缆的较小弯曲半径 Minimun bending radius

MHYVR及MHYVRP型电缆为电缆外径的10倍，其它型号为外径的15倍

    10 times of the cable outer diameter of MHJYV and 15times for the rest

型 号

    Model

标准截面 Nominal sectional area(mm²)

0.5

0.75

0.8
    1.0

1.5

0.5

0.75

0.8

1.0

1.5  0.5

0.75

0.8

1.0

1.5

-

芯 数Core No.

对 数Pair No.

导体结构Conductor structure

MHYV

2-7

2-10

1/0.8

    7/0.30

1/0.97

    7/0.37

-

1/1.13

    7/0.43

1/1.38

    7/0.52

MHYVR

2-7

2-10

-

42/0.15

-

32/0.20

48/0.20

MHYVP

2-7

2-10

1/0.8

    7/0.30

1/0.97

    7/0.37

-

1/1.13

    7/0.43

1/1.38

    7/0.52

MHYVRP

2-7

2-10

-

42/0.15

-

32/0.20

48/0.20

MHYBV

2-7

2-10

-

1/0.97

    7/0.37

    42/0.15

1/1.0

1/1.13

    7/0.43

    32/0.20

1/1.38

    7/0.52

    48/0.20

MHY32

-

3-7

2-19

-

1/0.97

    7/0.37

-

1/1.13

    7/0.43

1/1.38

    7/0.52

型 号 Model

标称截面

    Nominal sectional area

    mm²

导 体 结 构 Conductor structure

20℃时导体直流电阻

    DC resistance of the conductor at 20℃

    (≤Ω/Km)

固有衰减 Intrinsic attenuation

    (800Hz) (≤dB/Km)

种 类 Type

根数/单线标称直径 PC.No./Single track diameter(mm)

MHYV

    MHYVR

MHYVRP

    MHYVP

MHYBV

    MHY32

0.5

1

1/0.8

36.0

1.0

2

7/0.30

36.0

0.75

1

1/0.97

24.5

0.8

2

7/0.37

24.5

6

42/0.15

26.0

0.8

1

1/1.0

25.8

0.7

1.0

1

1/1.13

18.1

0.65

2

7/0.43

18.1

5

32/0.20

19.5

1.5

1

1/1.38

12.1

0.5

2

7/0.52

12.1

5

48/0.20

13.3

序 号

    Serial number

项目Items

技术性能

    Technical performances

1

+20℃线芯导体直流电阻(≤Ω/Km) Line core DC
    resistance at 20℃

见上表 See above table

2

电缆固有衰减(≤dB/Km) Cable intrinsic attenuation

见上表 See above table

3

+20℃绝缘电阻(≥MΩ Km) Insulating resistance
    at 20℃

5000

4

lmin工频交流电压试验

    lmin power frequency alternating current pressure test

芯-芯

    Core - core

    芯-屏蔽

    Core - hield

1500V不击穿(50Hz)

    1500V Does not penetrate

5

电缆工作电容(≤μF/Km) Cable service capacity

0.06(800Hz)

6

远端串音衰减(≥dB/500) Far-end crosstalk attenuation

70(800Hz)

7

电感(≤μH/Km) Inductance

800(800Hz)

8

工作对直流电阻差(≤%环阻) DC resistance difference

2

9

单根垂直燃烧试验 Combustion for single cable test

MT386

10

成束燃烧试验 Combustion for bunched cable test

符合GB/T18380标准中B类成束燃烧试验要求

    Conforms to GB/T18380 standard B kind becomes ties the burning test